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youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url> The best quality video can be downloaded with the -f best option. Also, the quality of the audio and video streams can be specified separately and merged with the + operator. [34]
Original file (Ogg multiplexed audio/video file, Theora/Vorbis, length 44 s, 4,096 × 2,304 pixels, 1.48 Mbps overall, file size: 7.78 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
A YouTube video statistics with AVC (H.264) video codec and Opus audio format. In 2009, the HTML5 working group was split between supporters of Ogg Theora, a free video format which is thought to be unencumbered by patents, and H.264, which contains patented technology.
On September 5, 2014, the Blu-ray Disc Association announced that the 4K Blu-ray Disc specification would support HEVC-encoded 4K video at 60 fps, the Rec. 2020 color space, high dynamic range (PQ and HLG), and 10-bit color depth. [87] [88] 4K Blu-ray Discs have a data rate of at least 50 Mbit/s and disc capacity up to 100 GB.
A main user of VP9 is Google's popular video platform YouTube, which offers VP9 video at all resolutions [52] along with Opus audio in the WebM file format, through DASH streaming. Another early adopter was Wikipedia (specifically Wikimedia Commons , which hosts multimedia files across Wikipedia's subpages and languages).
High-resolution audio (high-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, 44.1 kHz/24-bit, 48 kHz/24-bit and 88.2 kHz/24-bit recordings also exist that are labeled HD audio.
Uncompressed video is digital video that either has never been compressed or was generated by decompressing previously compressed digital video. It is commonly used by video cameras, video monitors, video recording devices (including general-purpose computers), and in video processors that perform functions such as image resizing, image rotation, deinterlacing, and text and graphics overlay.